Stock ownership · SEC 13F · Q4 2025

AMPHENOL CORP NEW

Who owns AMPHENOL CORP NEW (CUSIP 032095101)? A look at the institutions behind it, how tightly they hold it, and the latest quarter's moves.

$148.9M
Reported value
14
Institutions
98%
Top-5 share

The verdict

According to SEC Form 13F-HR filings in this corpus, AMPHENOL CORP NEW ranks #94 of 775 tracked securities by reported institutional value (largest first), matching the /stocks listing among names with ≥5 reporting holders. 14 institutions report $148.9M as of Q4 2025, with ownership dominated by its top few institutional owners.

14
institutions hold it
$148.9M
reported 13F value
98%
held by top 5
#94
of 775 by value

Based on long positions reported to the SEC as of Q4 2025; 13F omits shorts, options and non-US holdings.

According to SEC Form 13F-HR filings in this corpus, AMPHENOL CORP NEW ranks #94 of 775 tracked securities by reported institutional value (largest first), matching the /stocks listing among names with ≥5 reporting holders.

How 13F ownership is computed · All tracked stocks · Concentration rankings

SEC Form 13F-HR ownership desk

CUSIP 032095101 · Q4 2025 $149M reported

VALUE-HEAVY · HOLDERS-NARROW · CONC-DOM · PHOTO-FINISH · ACTIVITY-QUIET · BOOK-FULL

  • VALUE-HEAVY #94/775
  • HOLDERS-NARROW 14 filers
  • CONC-DOM 98% top-5
  • PHOTO-FINISH ADVANCED MICRO DEVICES
  • ACTIVITY-QUIET 0 new
  • BOOK-FULL 8Q history

Photo-finish peer on reported value: ADVANCED MICRO DEVICES INC

Read with: Ownership concentration guide - AMPHENOL CORP NEW's top-five holders account for 98% of reported value — read concentration before treating any single filer as a signal.

Reported-value neighbourhood · AMPHENOL CORP NEW

Nearest tracked securities by aggregate 13F reported value, not a full corpus reprint.

INTUITIVE SURGICAL · near$155MAMPHENOL NEW · this stock$149MADVANCED MICRO DEVICES · near$148MTECHNIPFMC · near$148MSPDR SERIES TRUST · near$147M
Aggregate reported institutional value ($)

AMPHENOL CORP NEW vs. the broadly-held institutional universe

Where this security's reporting-institution count sits among tracked 13F securities

14 Top 39% higher than 61% of 216 securities

Broadly-held tracked securities, banded by reporting-institution count

Each bar is a band; taller bars hold more securities. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source SEC Form 13F-HR filings · Q4 2025

Largest institutional holders of AMPHENOL CORP NEW
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6

Top 6 reported holders by value · Q4 2025

Institutional ownership over time

The number of institutions reporting a AMPHENOL CORP NEW position has risen from 7 to 14 over the last 8 quarters of 13F filings.

5101520 Q1'24Q2'24Q3'24Q4'24Q1'25Q2'25Q3'25Q4'25 14
Distinct 13F filers holding AMPHENOL CORP NEW, by quarter

Top Institutional Holders

# Institution Shares Value Share of reported
1 J. Stern & Co. LLP 76,769,791 $76.8M 51.5%
2 Amanah Holdings Trust 382,716 $51.7M 34.7%
3 Pacer Advisors, Inc. 100,702 $13.6M 9.1%
4 GROUPAMA ASSET MANAGMENT 24,959 $3.4M 2.3%
5 DGS Capital Management, LLC 7,368 $996K 0.7%
6 Astoria Portfolio Advisors LLC. 6,142 $908K 0.6%
7 Oak Grove Capital LLC 5,800 $784K 0.5%
8 MidFirst Bank 5,570 $412K 0.3%
9 THRYVE WEALTH MANAGEMENT LLC 1,727 $233K 0.2%
10 Bell Investment Advisors, Inc 604 $82K 0.1%
11 Anchor Investment Management, LLC 268 $36K 0.0%
12 Strategic Investment Solutions, Inc. /IL 104 $14K 0.0%
13 Banque Transatlantique SA 39 $5K 0.0%
14 SG Trading Solutions, LLC 3,469 $469 0.0%

Investment Discretion

SEC Form 13F requires each institutional filer to report whether it exercises sole or shared discretion over a position. Among AMPHENOL CORP NEW's reported holders for Q4 2025, by reported value:

Sole discretion (SOLE)
100.0%
Shared-defined discretion (DFND)
0.0%

Latest Quarter Activity · Q4 2025

Frequently Asked Questions

How many institutions hold AMPHENOL CORP NEW?▼
AMPHENOL CORP NEW is held by 14 institutional investors per the latest SEC Form 13F filings as of Q4 2025.
Where does AMPHENOL CORP NEW sit among tracked securities?▼
According to SEC Form 13F-HR filings in this corpus, AMPHENOL CORP NEW ranks #94 of 775 tracked securities by reported institutional value (largest first), matching the /stocks listing among names with ≥5 reporting holders. The ordinal is recomputed live among securities with ≥5 reporting holders. See /methodology/#corpus-placement.
What is the total institutional value of AMPHENOL CORP NEW?▼
Institutions report $148.9M of AMPHENOL CORP NEW as of Q4 2025.
How concentrated is ownership of AMPHENOL CORP NEW?▼
The top five institutional holders account for 98% of the reported institutional value in AMPHENOL CORP NEW, making ownership dominated by its top few institutional owners.
Who is the largest institutional holder of AMPHENOL CORP NEW?▼
J. Stern & Co. LLP is the largest reported holder of AMPHENOL CORP NEW with $76.8M across 76,769,791 shares as of Q4 2025.

Nationwide stocks with similar institutional value or holder count

Two 13F-derived peer sets for AMPHENOL CORP NEW: nearest aggregate reported value and nearest institutional holder count, not catalog browse links.

Similar reported value

Nearest stocks by aggregate 13F reported value ($148.9M here).

Similar holder count

Nearest stocks by number of disclosing 13F holders (14 here).

Source: U.S. Securities and Exchange Commission (SEC) - EDGAR Form 13F-HR institutional holdings filings · Q4 2025 13F-HR discloses long US-listed equity positions of managers with $100M+ qualifying assets, filed within 45 days of period end. Short positions and most derivatives are not disclosed.

PlainFundData is rendered directly from SEC EDGAR Form 13F-HR institutional holdings filings, no number is typed in by an editor. Holder lists, concentration, and reported value on this page are aggregated live from those 13F-HR extracts. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026-09-26.